Date: Fri, 27 Aug 2004 00:22:17 +0800 From: Clive Lin <clive@tongi.org> To: Ulrich Spoerlein <q@uni.de> Cc: acpi@freebsd.org Subject: Re: Cx states not working on Dell Inspiron 8600 (Pentium M) Message-ID: <20040826162217.GA836@CARTIER.ro-inc> In-Reply-To: <20040826094208.GB703@galgenberg.net> References: <20040826094208.GB703@galgenberg.net>
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On Thu, Aug 26, 2004 at 11:42:08AM +0200, Ulrich Spoerlein wrote:
> hw.acpi.cpu.cx_supported: C1/1 C2/1 C3/85 C4/185
> hw.acpi.cpu.cx_lowest: C4
> hw.acpi.cpu.cx_usage: 0.00% 100.00% 0.00% 0.00%
/me me too.
Ordinary IBM X31, slightly modified GENERIC kernel. My Cx state
never goes down below C2. I've heard friends with X31 under the same
situation. acpi(4) explains that C3 requires bus mastering to be
disabled, but unfortunately I can not figure out where to disable it...
Related information:
KERNCONF http://tongi.org/dist/CARTIER.txt
verbose dmesg http://tongi.org/dist/dmesg.txt
ASL http://tongi.org/dist/x31_2672_iev.asl
DSDT http://tongi.org/dist/x31_2672_iev.dsdt
dmidecode http://tongi.org/dist/dmidecode.txt
sysctl -a http://tongi.org/dist/sysctl-a.txt
pciconf -lv http://tongi.org/dist/pciconf-lv.txt
--
Clive Tong-I Lin <clive@tongi.org> | http://tongi.org | PGP KeyID: A008C03E
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